1MHz 100 Gain Amplifier (CB6650E)

Found in 1968 documentation this amplifier can be designed based on current transistors. Observe the symmetrical power supply.

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Transformerless Wideband Switch (CB6457E)
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300 V Regulator (CB8808E)
Using neon lamps, this regulator was found in a1969’s documentation. The lamps are types available...
Simple audio oscillator (CB8097E)
Found in Popular Electronics from the 90s, this circuit generates a 1 kHz signal. The coil is from an...